Kimi K2.6: Advancing Open-Source Coding

https://www.kimi.com/blog/kimi-k2-6

Article

  • Moonshot AI releases Kimi K2.6, open-source coding-focused model.
  • Targets long-horizon agentic coding tasks and multi-step reasoning.
  • Priced at $0.95 input / $4 output, competitive with frontier models.

Discussion

  • simonw tested it via OpenRouter; it creatively wrapped SVG output in animated HTML.
  • Vibes-testing puts it near Claude Sonnet 4.6; one user says on-par or better than Opus.
  • China open-sourcing frontier-grade models while US labs close-source draws pointed commentary.
  • Benchmarks vs. real-world: some find K2.6 slightly weaker than K2.5 on puzzle/trick tasks.

Discuss on HN


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Added Apr 20, 2026
Modified Apr 20, 2026